2016-09-27 11:24:36 -05:00
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if((${CMAKE_VERSION} VERSION_GREATER 3.1) AND (${CMAKE_VERSION} VERSION_LESS 3.5))
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2016-01-13 10:45:29 -06:00
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2015-12-07 11:17:08 -06:00
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function (pkg_get_variable result pkg variable)
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_pkgconfig_invoke("${pkg}" "prefix" "result" "" "--variable=${variable}")
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set("${result}"
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"${prefix_result}"
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PARENT_SCOPE)
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endfunction ()
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macro(_gnc_pkg_check_modules_internal _is_required _is_silent _no_cmake_path _no_cmake_environment_path _prefix)
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_pkgconfig_unset(${_prefix}_FOUND)
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_pkgconfig_unset(${_prefix}_VERSION)
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_pkgconfig_unset(${_prefix}_PREFIX)
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_pkgconfig_unset(${_prefix}_INCLUDEDIR)
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_pkgconfig_unset(${_prefix}_LIBDIR)
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_pkgconfig_unset(${_prefix}_LIBS)
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_pkgconfig_unset(${_prefix}_LIBS_L)
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_pkgconfig_unset(${_prefix}_LIBS_PATHS)
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_pkgconfig_unset(${_prefix}_LIBS_OTHER)
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_pkgconfig_unset(${_prefix}_CFLAGS)
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_pkgconfig_unset(${_prefix}_CFLAGS_I)
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_pkgconfig_unset(${_prefix}_CFLAGS_OTHER)
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_pkgconfig_unset(${_prefix}_STATIC_LIBDIR)
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_pkgconfig_unset(${_prefix}_STATIC_LIBS)
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_pkgconfig_unset(${_prefix}_STATIC_LIBS_L)
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_pkgconfig_unset(${_prefix}_STATIC_LIBS_PATHS)
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_pkgconfig_unset(${_prefix}_STATIC_LIBS_OTHER)
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_pkgconfig_unset(${_prefix}_STATIC_CFLAGS)
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_pkgconfig_unset(${_prefix}_STATIC_CFLAGS_I)
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_pkgconfig_unset(${_prefix}_STATIC_CFLAGS_OTHER)
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# create a better addressable variable of the modules and calculate its size
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set(_pkg_check_modules_list ${ARGN})
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list(LENGTH _pkg_check_modules_list _pkg_check_modules_cnt)
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if(PKG_CONFIG_EXECUTABLE)
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# give out status message telling checked module
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if (NOT ${_is_silent})
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if (_pkg_check_modules_cnt EQUAL 1)
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message(STATUS "Checking for module '${_pkg_check_modules_list}'")
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else()
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message(STATUS "Checking for modules '${_pkg_check_modules_list}'")
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endif()
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endif()
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set(_pkg_check_modules_packages)
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set(_pkg_check_modules_failed)
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set(_extra_paths)
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if(NOT _no_cmake_path)
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_pkgconfig_add_extra_path(_extra_paths CMAKE_PREFIX_PATH)
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_pkgconfig_add_extra_path(_extra_paths CMAKE_FRAMEWORK_PATH)
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_pkgconfig_add_extra_path(_extra_paths CMAKE_APPBUNDLE_PATH)
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endif()
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if(NOT _no_cmake_environment_path)
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_pkgconfig_add_extra_path(_extra_paths ENV CMAKE_PREFIX_PATH)
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_pkgconfig_add_extra_path(_extra_paths ENV CMAKE_FRAMEWORK_PATH)
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_pkgconfig_add_extra_path(_extra_paths ENV CMAKE_APPBUNDLE_PATH)
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endif()
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if(NOT "${_extra_paths}" STREQUAL "")
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# Save the PKG_CONFIG_PATH environment variable, and add paths
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# from the CMAKE_PREFIX_PATH variables
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set(_pkgconfig_path_old $ENV{PKG_CONFIG_PATH})
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set(_pkgconfig_path ${_pkgconfig_path_old})
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if(NOT "${_pkgconfig_path}" STREQUAL "")
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file(TO_CMAKE_PATH "${_pkgconfig_path}" _pkgconfig_path)
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endif()
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# Create a list of the possible pkgconfig subfolder (depending on
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# the system
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set(_lib_dirs)
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if(NOT DEFINED CMAKE_SYSTEM_NAME
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OR (CMAKE_SYSTEM_NAME MATCHES "^(Linux|kFreeBSD|GNU)$"
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AND NOT CMAKE_CROSSCOMPILING))
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if(EXISTS "/etc/debian_version") # is this a debian system ?
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if(CMAKE_LIBRARY_ARCHITECTURE)
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list(APPEND _lib_dirs "lib/${CMAKE_LIBRARY_ARCHITECTURE}/pkgconfig")
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endif()
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else()
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# not debian, chech the FIND_LIBRARY_USE_LIB64_PATHS property
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get_property(uselib64 GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS)
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if(uselib64)
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list(APPEND _lib_dirs "lib64/pkgconfig")
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endif()
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endif()
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endif()
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list(APPEND _lib_dirs "lib/pkgconfig")
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# Check if directories exist and eventually append them to the
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# pkgconfig path list
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foreach(_prefix_dir ${_extra_paths})
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foreach(_lib_dir ${_lib_dirs})
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if(EXISTS "${_prefix_dir}/${_lib_dir}")
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list(APPEND _pkgconfig_path "${_prefix_dir}/${_lib_dir}")
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list(REMOVE_DUPLICATES _pkgconfig_path)
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endif()
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endforeach()
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endforeach()
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# Prepare and set the environment variable
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if(NOT "${_pkgconfig_path}" STREQUAL "")
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# remove empty values from the list
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list(REMOVE_ITEM _pkgconfig_path "")
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file(TO_NATIVE_PATH "${_pkgconfig_path}" _pkgconfig_path)
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if(UNIX)
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string(REPLACE ";" ":" _pkgconfig_path "${_pkgconfig_path}")
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string(REPLACE "\\ " " " _pkgconfig_path "${_pkgconfig_path}")
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endif()
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set(ENV{PKG_CONFIG_PATH} "${_pkgconfig_path}")
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endif()
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# Unset variables
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unset(_lib_dirs)
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unset(_pkgconfig_path)
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endif()
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# iterate through module list and check whether they exist and match the required version
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foreach (_pkg_check_modules_pkg ${_pkg_check_modules_list})
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set(_pkg_check_modules_exist_query)
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# check whether version is given
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if (_pkg_check_modules_pkg MATCHES "(.*[^><])(>=|=|<=)(.*)")
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set(_pkg_check_modules_pkg_name "${CMAKE_MATCH_1}")
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set(_pkg_check_modules_pkg_op "${CMAKE_MATCH_2}")
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set(_pkg_check_modules_pkg_ver "${CMAKE_MATCH_3}")
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else()
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set(_pkg_check_modules_pkg_name "${_pkg_check_modules_pkg}")
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set(_pkg_check_modules_pkg_op)
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set(_pkg_check_modules_pkg_ver)
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endif()
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# handle the operands
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if (_pkg_check_modules_pkg_op STREQUAL ">=")
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list(APPEND _pkg_check_modules_exist_query --atleast-version)
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endif()
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if (_pkg_check_modules_pkg_op STREQUAL "=")
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list(APPEND _pkg_check_modules_exist_query --exact-version)
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endif()
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if (_pkg_check_modules_pkg_op STREQUAL "<=")
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list(APPEND _pkg_check_modules_exist_query --max-version)
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endif()
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# create the final query which is of the format:
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# * --atleast-version <version> <pkg-name>
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# * --exact-version <version> <pkg-name>
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# * --max-version <version> <pkg-name>
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# * --exists <pkg-name>
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if (_pkg_check_modules_pkg_op)
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list(APPEND _pkg_check_modules_exist_query "${_pkg_check_modules_pkg_ver}")
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else()
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list(APPEND _pkg_check_modules_exist_query --exists)
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endif()
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_pkgconfig_unset(${_prefix}_${_pkg_check_modules_pkg_name}_VERSION)
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_pkgconfig_unset(${_prefix}_${_pkg_check_modules_pkg_name}_PREFIX)
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_pkgconfig_unset(${_prefix}_${_pkg_check_modules_pkg_name}_INCLUDEDIR)
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_pkgconfig_unset(${_prefix}_${_pkg_check_modules_pkg_name}_LIBDIR)
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list(APPEND _pkg_check_modules_exist_query "${_pkg_check_modules_pkg_name}")
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list(APPEND _pkg_check_modules_packages "${_pkg_check_modules_pkg_name}")
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# execute the query
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execute_process(
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COMMAND ${PKG_CONFIG_EXECUTABLE} ${_pkg_check_modules_exist_query}
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RESULT_VARIABLE _pkgconfig_retval)
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# evaluate result and tell failures
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if (_pkgconfig_retval)
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if(NOT ${_is_silent})
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message(STATUS " Package '${_pkg_check_modules_pkg}' not found")
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endif()
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set(_pkg_check_modules_failed 1)
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endif()
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endforeach()
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if(_pkg_check_modules_failed)
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# fail when requested
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if (${_is_required})
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message(FATAL_ERROR "A required package was not found")
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endif ()
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else()
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# when we are here, we checked whether requested modules
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# exist. Now, go through them and set variables
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_pkgconfig_set(${_prefix}_FOUND 1)
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list(LENGTH _pkg_check_modules_packages pkg_count)
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# iterate through all modules again and set individual variables
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foreach (_pkg_check_modules_pkg ${_pkg_check_modules_packages})
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# handle case when there is only one package required
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if (pkg_count EQUAL 1)
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set(_pkg_check_prefix "${_prefix}")
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else()
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set(_pkg_check_prefix "${_prefix}_${_pkg_check_modules_pkg}")
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endif()
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_pkgconfig_invoke(${_pkg_check_modules_pkg} "${_pkg_check_prefix}" VERSION "" --modversion )
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pkg_get_variable("${_pkg_check_prefix}_PREFIX" ${_pkg_check_modules_pkg} "prefix")
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pkg_get_variable("${_pkg_check_prefix}_INCLUDEDIR" ${_pkg_check_modules_pkg} "includedir")
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pkg_get_variable("${_pkg_check_prefix}_LIBDIR" ${_pkg_check_modules_pkg} "libdir")
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if (NOT ${_is_silent})
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message(STATUS " Found ${_pkg_check_modules_pkg}, version ${_pkgconfig_VERSION}")
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endif ()
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endforeach()
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# set variables which are combined for multiple modules
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_pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" LIBRARIES "(^| )-l" --libs-only-l )
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_pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" LIBRARY_DIRS "(^| )-L" --libs-only-L )
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_pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" LDFLAGS "" --libs )
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_pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" LDFLAGS_OTHER "" --libs-only-other )
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_pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" INCLUDE_DIRS "(^| )-I" --cflags-only-I )
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_pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" CFLAGS "" --cflags )
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_pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" CFLAGS_OTHER "" --cflags-only-other )
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endif()
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if(NOT "${_extra_paths}" STREQUAL "")
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# Restore the environment variable
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2016-01-15 12:02:11 -06:00
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set(ENV{PKG_CONFIG_PATH} ${_pkgconfig_path_old})
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2015-12-07 11:17:08 -06:00
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endif()
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unset(_extra_paths)
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unset(_pkgconfig_path_old)
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else()
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if (${_is_required})
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message(SEND_ERROR "pkg-config tool not found")
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endif ()
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endif()
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endmacro()
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macro(gnc_pkg_check_modules _prefix _module0)
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# check cached value
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if (NOT DEFINED __pkg_config_checked_${_prefix} OR __pkg_config_checked_${_prefix} LESS ${PKG_CONFIG_VERSION} OR NOT ${_prefix}_FOUND)
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_pkgconfig_parse_options (_pkg_modules _pkg_is_required _pkg_is_silent _no_cmake_path _no_cmake_environment_path "${_module0}" ${ARGN})
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_gnc_pkg_check_modules_internal("${_pkg_is_required}" "${_pkg_is_silent}" ${_no_cmake_path} ${_no_cmake_environment_path} "${_prefix}" ${_pkg_modules})
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2016-01-13 10:45:29 -06:00
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_pkgconfig_set(__pkg_config_checked_${_prefix} ${PKG_CONFIG_VERSION})
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endif()
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endmacro()
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else()
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2015-12-07 11:17:08 -06:00
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2016-09-27 11:24:36 -05:00
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include(FindPkgConfig)
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2016-01-13 10:45:29 -06:00
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macro(gnc_pkg_check_modules _prefix _module0)
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2016-09-27 11:24:36 -05:00
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PKG_CHECK_MODULES(${_prefix} ${_module0} ${ARGN})
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2015-12-07 11:17:08 -06:00
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endmacro()
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2016-01-13 10:45:29 -06:00
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endif()
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